Question

In an audience of 4000 people, 2 people are chosen, at random, to appear on stage. How many ways can the people be chosen?

205

likes
1026 views

Answer to a math question In an audience of 4000 people, 2 people are chosen, at random, to appear on stage. How many ways can the people be chosen?

Expert avatar
Ali
4.4
92 Answers
4000C2=\frac{4000!}{\left(4000-2\right)!\times2!} 7998000 number of ways

Frequently asked questions (FAQs)
Math question: Find the limit as x approaches 3 of (2x-1)/(x+2).
+
What is the vertex of the quadratic function f(x) = 2x^2 + 4x - 3?
+
What is the surface area of a cube with side length x?
+
New questions in Mathematics
A=m/2-t isolate t
Using a remarkable product you must factor the expression: f(x) =36x^2-324 and you are entitled to 5 steps
3(2+x)-2(2x+6)=20-4x
How many percent is one second out a 24 hour?
what is 3% of 105?
5) A family with a father, mother and 3 children must sit on five chairs in a row and the only restriction is that the mother must be at one end. In how many different ways can they be seated?
58+861-87
Two numbers differ by 7, and the sum of their squares is 29. Find the numbers.
A bird randomly chooses to land on 1 of 12 perches available in its aviary. Determine the Probability of it landing on a perch numbered 8 and then on a perch marked with a prime number; take into account that he never lands on the same perch in the sequence.
By direct proof, how can you prove that “The sum of any three consecutive even integers is always a multiple of 6”.
A recurring sequence is one where elements repeat after completing one standard. If the sequence AB8C14D96AB8C1... is recurring its twentieth term is equal to: (A) B. (B) 8. (C) A. (D) 6. (E) D.
From 1975 through 2020 the mean annual gain of the Dow Jones Industrial Average was 652. A random sample of 34 years is selected from this population. What is the probability that the mean gain for the sample was between 400 and 800? Assume the standard deviation is 1539
Determine the increase of the function y=4x−5 when the argument changes from x1=2 to x2=3
The two sides of the triangle are 12 cm and 5 cm, and the angle between the sides is 60°. Cover the area of ​​the triangle!
392929-9
Sabendo+que+o+tri%C3%A2ngulo+ABC+%C3%A9+ret%C3%A2ngulo+e+que+um+de+seus+%C3%A2ngulos+mede+30+quanto+mede+o+terceiro+ tri%C3%A2ngulo
We have received our p&l statement back from accounts. The board has asked for an innovation hub. What items should we prioritise reviewing to decide if we can afford an innovation hub?
4m - 3t + 7 = 16
Solve the system of equations by the addition method. 0.01x-0.08y=-0.1 0.2x+0.6y=0.2
(3b)⋅(5b^2)⋅(6b^3)